Using Array‐Derived Rotational Motion to Obtain Local Wave Propagation Properties From Earthquakes Induced by the 2018 Geothermal Stimulation in Finland

Using Array‐Derived Rotational Motion to Obtain Local Wave Propagation Properties From Earthquakes Induced by the 2018 Geothermal Stimulation in Finland

Abstract We estimate vertical rotation rates for 204 earthquakes that were induced by the 2018 stimulation of the Espoo/Helsinki geothermal reservoir from wavefield gradients across geophone arrays. The array‐derived rotation rates from seismograms recorded at 6–9 km hypocentral distances vary betwe...

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Bibliographic Details
Main Authors: G. Taylor, G. Hillers, T. A. T. Vuorinen
Format: Article
Language:English
Published: Wiley 2021-03-01
Series:Geophysical Research Letters
Subjects:
induced seismicity
rotational motion
seismology
seismic arrays
seismic gradiometry
Online Access:https://doi.org/10.1029/2020GL090403
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https://doi.org/10.1029/2020GL090403

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